superharden

English

Etymology

super- +‎ harden

Verb

superharden (third-person singular simple present superhardens, present participle superhardening, simple past and past participle superhardened)

1. (transitive) To make superhard.
   • 2007, Josepha Sherman, Susan Shwartz, Epiphany, page 5:

     Once the storm subsides, we can blast the ice smooth and allow it to superharden. That should sustain a landing while we contrive something longer-term.